Home / 80,146.63-120,236.34-27,549.28

Finding the Fourth Proportional to 80,146.63, 120,236.34 and 27,549.28

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Solution

The fourth proportional to 80,146.63, 120,236.34 and 27,549.28 is: 41,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,146.63 : 120,236.34 = 27,549.28 : x
  2. Step 2: Convert to fraction form
    80,146.63/120,236.34 = 27,549.28/x
  3. Step 3: Cross multiply
    80,146.63x = 120,236.34 × 27,549.28
  4. Step 4: Simplify right side
    80,146.63x = 3,312,424,596.84
  5. Step 5: Solve for x
    x = 3,312,424,596.84/80,146.63
  6. Step 6: Final answer
    x = 41,329.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.